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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44		68
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
46		87
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		89
49	our %COMMAND = ();	90	our %COMMAND = ();
50	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
51		92
52	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
56		98
57	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
58	our @EVENT;	100	our @EVENT;
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
71		117
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	120	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	126	our $DB_ENV;
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
98		145
99	binmode STDOUT;	146	binmode STDOUT;
100	binmode STDERR;	147	binmode STDERR;
101		148
102	# read virtual server time, if available	149	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
107	}	154	}
108		155
109	mkdir $_	156	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		202
156	The raw value load value from the last tick.	203	The raw value load value from the last tick.
157		204
158	=item %cf::CFG	205	=item %cf::CFG
159		206
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	208	from wherever your confdir points to.
162		209
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		211
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	213	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
169	=back	222	=back
170		223
171	=cut	224	=cut
172		225
173	BEGIN {	226	BEGIN {
…		…
177	$msg .= "\n"	230	$msg .= "\n"
178	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
179		232
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		234
182	utf8::encode $msg;
183	LOG llevError, $msg;	235	LOG llevError, $msg;
184	};	236	};
185	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
186		253
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	264	for my $pkg (qw(
198	cf::global cf::attachable	265	cf::global cf::attachable
199	cf::object cf::object::player	266	cf::object cf::object::player
200	cf::client cf::player	267	cf::client cf::player
201	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
202	cf::map cf::party cf::region	270	cf::party cf::region
203	)) {	271	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	273	}
207		274
208	$Event::DIED = sub {	275	$EV::DIED = sub {
209	warn "error in event callback: @_";	276	warn "error in event callback: @_";
210	};	277	};
211		278
212	#############################################################################	279	#############################################################################
213		280
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	304	$d
238	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
239	}	306	}
240		307
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
244		309
245	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
246		311
247	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
248		313
249	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
250		322
251	=item cf::lock_wait $string	323	=item cf::lock_wait $string
252		324
253	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
254		326
…		…
257	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
260	returned.	332	returned.
261		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
262	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
264		339
265	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
266		341
267	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
268		343
269	=cut	344	=cut
270		345
271	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
272		348
273	sub lock_wait($) {	349	sub lock_wait($) {
274	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
275		356
276	# wait for lock, if any	357	# wait for lock, if any
277	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	360	Coro::schedule;
…		…
285		366
286	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
287	lock_wait $key;	368	lock_wait $key;
288		369
289	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
290		372
291	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
294	}	377	}
295	}	378	}
296		379
…		…
299		382
300	! ! $LOCK{$key}	383	! ! $LOCK{$key}
301	}	384	}
302		385
303	sub freeze_mainloop {	386	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
305		388
306	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
307	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
308	};	450	}
309	$TICK_WATCHER->stop;	451	};
310	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
311	}	465	}
312		466
313	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
314		468
315	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		474
321	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
322		476
323	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
324		478
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	482	acceptable.
329		483
330	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		490
337	sub sync_job(&) {	491	sub sync_job(&) {
338	my ($job) = @_;	492	my ($job) = @_;
339		493
340	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	495	my $time = EV::time;
342		496
343	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
345		499
346	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	501
348	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
349		503
350	my $busy = 1;	504	my $busy = 1;
351	my @res;	505	my @res;
352		506
353	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	509	@res = eval { $job->() };
355	warn $@ if $@;	510	warn $@ if $@;
356	undef $busy;	511	undef $busy;
357	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
358		513
359	while ($busy) {	514	while ($busy) {
360	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
361	}	519	}
		520	}
362		521
363	$time = Event::time - $time;	522	my $time = EV::time - $time;
364		523
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
369		525
370	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
371	} else {	527	} else {
372	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
373		529
…		…
398	=item fork_call { }, $args	554	=item fork_call { }, $args
399		555
400	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
404		560
405	=cut	561	=cut
406		562
407	sub fork_call(&@) {	563	sub fork_call(&@) {
408	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
409		565
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	566	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		569
415	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	571	reset_signals;
428	local $SIG{__WARN__};	572	&$cb
429	local $SIG{__DIE__};	573	}, @args;
430	eval {
431	close $fh1;
432		574
433	my @res = eval { $cb->(@args) };	575	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	576	}
435	};
436		577
437	warn $@ if $@;	578	=item $coin = coin_from_name $name
438	_exit 0;	579
439	}	580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
440	}	603	}
441		604
442	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
443		606
444	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
447		610
448	Stores the given C<$value> in the family. It can currently store binary	611	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
451	=cut	619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
452		637
453	our $DB;	638	our $DB;
454		639
455	sub db_init {	640	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	641	cf::sync_job {
460	eval {	642	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	643	};
470	}	644	}
471		645
472	sub db_get($$) {	646	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
474		648
…		…
524	if (1) {	698	if (1) {
525	$md5 =	699	$md5 =
526	join "\x00",	700	join "\x00",
527	$processversion,	701	$processversion,
528	map {	702	map {
529	Coro::cede;	703	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	705	} 0.. $#$src;
532		706
533		707
534	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		746
573	#############################################################################	747	#############################################################################
574		748
575	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
576		750
577	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
580		754
581	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	757	Deliantra).
584		758
585	=over 4	759	=over 4
586		760
587	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
588		762
…		…
632	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
633		807
634	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
636		810
637	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
639		813
640	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
641		815
642	=over 4	816	=over 4
…		…
840	";	1014	";
841	die if $@;	1015	die if $@;
842	}	1016	}
843		1017
844	our $override;	1018	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1020
847	sub override {	1021	sub override {
848	$override = 1;	1022	$override = 1;
849	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
850	}	1024	}
851		1025
852	sub do_invoke {	1026	sub do_invoke {
853	my $event = shift;	1027	my $event = shift;
854	my $callbacks = shift;	1028	my $callbacks = shift;
855		1029
856	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
857		1031
858	local $override;	1032	local $override;
859		1033
860	for (@$callbacks) {	1034	for (@$callbacks) {
861	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
870	}	1044	}
871		1045
872	0	1046	0
873	}	1047	}
874		1048
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1050
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1052
879	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
880		1054
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1058
885	=back	1059	=back
886		1060
887	=cut	1061	=cut
888		1062
889	#############################################################################	1063	#############################################################################
890	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
891		1107
892	sub reattach {	1108	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1110	my ($obj) = @_;
895		1111
		1112	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1114
898	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
899		1116
900	@$registry = ();	1117	@$registry = ();
901		1118
…		…
916	cf::attachable->attach (	1133	cf::attachable->attach (
917	prio => -1000000,	1134	prio => -1000000,
918	on_instantiate => sub {	1135	on_instantiate => sub {
919	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
920		1137
921	$data = from_json $data;	1138	$data = decode_json $data;
922		1139
923	for (@$data) {	1140	for (@$data) {
924	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
925		1142
926	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1159	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
944		1161
945	sync_job {	1162	sync_job {
946	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
949		1167
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1172	aio_close $fh;
955		1173
956	if (@$objs) {	1174	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1180	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
964	}	1182	}
965	} else {	1183	} else {
966	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
967	}	1185	}
…		…
972	}	1190	}
973	} else {	1191	} else {
974	aio_unlink $filename;	1192	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
976	}	1194	}
977	}	1195	};
978	}	1196	}
979		1197
980	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
982		1200
…		…
994	or return;	1212	or return;
995		1213
996	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
998	or return;	1216	or return;
		1217
999	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1000	}	1220	}
1001		1221
		1222	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1004	return ($data, $av);	1226	($data, $av)
1005	}	1227	}
1006		1228
1007	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1008		1230
1009	=over 4	1231	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1252	}
1031		1253
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1255
1034	Register a callback fro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
1035		1261
1036	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
1037	called.	1263	called.
1038		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
1039	=cut	1276	=cut
1040		1277
1041	sub register_extcmd {	1278	sub register_extcmd {
1042	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1043		1280
1044	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
1045	}	1288	}
1046		1289
1047	cf::player->attach (	1290	cf::player->attach (
1048	on_command => sub {	1291	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1301	cf::override;
1059	},	1302	},
1060	on_extcmd => sub {	1303	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1062		1305
1063	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1307
1065	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1071	} else {	1323	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1325	}
1074		1326
1075	cf::override;	1327	cf::override;
…		…
1102		1354
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1357
1106	$ext{source} =	1358	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1109	. $source	1361	. $source
1110	. "\n};\n1";	1362	. "\n};\n1";
1111		1363
1112	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1130		1382
1131	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1384	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1386	}
1136		1387
1137	warn $msg;	1388	warn $msg;
1138	}	1389	}
1139		1390
…		…
1153		1404
1154	=back	1405	=back
1155		1406
1156	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1157		1408
1158	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1159		1410
1160	=cut	1411	=cut
1161		1412
1162	package cf::player;	1413	package cf::player;
1163		1414
1164	use Coro::AIO;	1415	use Coro::AIO;
1165		1416
1166	=head3 cf::player	1417	=head3 cf::player
1167		1418
1168	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1169		1434
1170	=item cf::player::find $login	1435	=item cf::player::find $login
1171		1436
1172	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1173		1438
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1478
1214	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1217	}	1488	}
1218	}	1489	}
1219	}	1490	}
1220		1491
…		…
1229	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1230		1501
1231	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1233		1504
		1505	cf::get_slot 0.01;
		1506
1234	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1235	Coro::cede;	1508	cf::cede_to_tick;
1236	}	1509	}
1237		1510
1238	sub new($) {	1511	sub new($) {
1239	my ($login) = @_;	1512	my ($login) = @_;
1240		1513
…		…
1246	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1247		1520
1248	$self	1521	$self
1249	}	1522	}
1250		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1251	=item $pl->quit_character	1534	=item $pl->quit_character
1252		1535
1253	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1255		1538
…		…
1259	my ($pl) = @_;	1542	my ($pl) = @_;
1260		1543
1261	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1262		1545
1263	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1548
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1270		1555
1271	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1593	or return [];
1309		1594
1310	my @logins;	1595	my @logins;
1311		1596
1312	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1316		1607
1317	utf8::decode $login;	1608	utf8::decode $login;
1318	push @logins, $login;	1609	push @logins, $login;
1319	}	1610	}
1320		1611
…		…
1347	}	1638	}
1348		1639
1349	\@paths	1640	\@paths
1350	}	1641	}
1351		1642
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1644
1354	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1355		1646
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1386		1648
1387	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1388		1650
1389	=cut	1651	=cut
1390		1652
1391	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1393		1655
1394	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1657	}
1398		1658
1399	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1400		1660
1401	Sends an ext event to the client.	1661	Sends an ext event to the client.
1402		1662
1403	=cut	1663	=cut
1404		1664
1405	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1407		1667
1408	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1409	}	1669	}
1410		1670
1411	=head3 cf::region	1671	=head3 cf::region
1412		1672
1413	=over 4	1673	=over 4
…		…
1426	my ($path) = @_;	1686	my ($path) = @_;
1427		1687
1428	my ($match, $specificity);	1688	my ($match, $specificity);
1429		1689
1430	for my $region (list) {	1690	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1434	}	1694	}
1435	}	1695	}
1436		1696
…		…
1457	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1459		1719
1460	sub generate_random_map {	1720	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1462	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1726	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1556	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1557	return $self;	1820	return $self;
1558	}	1821	}
1559	}	1822	}
1560		1823
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1825	()
1563	}	1826	}
1564		1827
1565	sub init {	1828	sub init {
1566	my ($self) = @_;	1829	my ($self) = @_;
…		…
1588		1851
1589	# the temporary/swap location	1852	# the temporary/swap location
1590	sub save_path {	1853	sub save_path {
1591	my ($self) = @_;	1854	my ($self) = @_;
1592		1855
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1595	}	1858	}
1596		1859
1597	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1598	sub uniq_path {	1861	sub uniq_path {
1599	my ($self) = @_;	1862	my ($self) = @_;
1600		1863
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1603	}	1866	}
1604		1867
1605	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1606	# all maps in C++...	1869	# all maps in C++...
…		…
1629		1892
1630	sub load_header_from($) {	1893	sub load_header_from($) {
1631	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1632		1895
1633	utf8::encode $path;	1896	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1639		1905
1640	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1641		1907
1642	1	1908	1
1643	}	1909	}
…		…
1697	sub find {	1963	sub find {
1698	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1699		1965
1700	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1701		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1703		1970
1704	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1705	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1706	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1707	or return;	1976	or return;
1708		1977
1709	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1710		1979
…		…
1712	or return;	1981	or return;
1713		1982
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1717	$map->reset;	1988	$map->reset;
1718	undef $guard;
1719	return find $path;	1989	return find $path;
1720	}	1990	}
1721		1991
1722	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1723	}	1993	}
…		…
1732	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1733		2003
1734	my $path = $self->{path};	2004	my $path = $self->{path};
1735		2005
1736	{	2006	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1738		2008
		2009	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2011
1741	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1742		2013
1743	$self->alloc;	2014	$self->alloc;
1744		2015
1745	$self->pre_load;	2016	$self->pre_load;
1746	Coro::cede;	2017	cf::cede_to_tick;
1747		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1749	or return;	2022	or return;
1750		2023
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1752	if delete $self->{load_original};	2025	if delete $self->{load_original};
1753		2026
1754	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2028	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2031	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1759	}	2035	}
1760	}	2036	}
1761		2037
1762	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1763	# now do the right thing for maps	2041	# now do the right thing for maps
1764	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2044	unless $self->difficulty;
1767	Coro::cede;	2045	cf::cede_to_tick;
1768		2046
1769	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2048	$self->decay_objects;
1771	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1772	$self->update_buttons;	2050	$self->update_buttons;
1773	Coro::cede;	2051	cf::cede_to_tick;
1774	$self->set_darkness_map;	2052	$self->set_darkness_map;
1775	Coro::cede;	2053	cf::cede_to_tick;
1776	$self->activate;	2054	$self->activate;
1777	}	2055	}
1778		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2061	}
1781		2062
1782	$self->post_load;	2063	$self->post_load;
1783	}	2064	}
1784		2065
…		…
1793		2074
1794	$self	2075	$self
1795	}	2076	}
1796		2077
1797	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2079	sub load_neighbours {
1799	my ($map) = @_;	2080	my ($map) = @_;
1800		2081
1801	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1802		2083
1803	for (0 .. 3) {	2084	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1805	or next;	2086	or next;
1806	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1807	or next;	2088	or next;
1808	$neigh->load;	2089	$neigh->load;
1809		2090
		2091	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2094	}
1813		2095
1814	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1816	or next;	2099	or next;
1817	$neigh->load;	2100	$neigh->load;
1818	}	2101	}
1819	}	2102	}
1820		2103
…		…
1825	}	2108	}
1826		2109
1827	sub do_load_sync {	2110	sub do_load_sync {
1828	my ($map) = @_;	2111	my ($map) = @_;
1829		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1830	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1831	}	2117	}
1832		2118
1833	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1835		2121
1836	sub find_async {	2122	sub find_async {
1837	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1838		2124
1839	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1840		2126
1841	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2129	}
1844		2130
1845	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1846	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1847	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2138	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2139	$map->load if $v;
		2140	}
1852		2141
1853	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1854	}	2143	}
1855	}	2144	}
1856	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1857	};	2146	};
1858	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1861	}	2150	}
1862		2151
1863	sub save {	2152	sub save {
1864	my ($self) = @_;	2153	my ($self) = @_;
1865		2154
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2156
1868	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1869		2158
1870	return unless $self->dirty;	2159	return unless $self->dirty;
1871		2160
…		…
1877	return if $self->{deny_save};	2166	return if $self->{deny_save};
1878		2167
1879	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1880		2169
1881	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1883	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1884		2176
1885	if ($uniq) {	2177	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2180	} else {
…		…
1894	my ($self) = @_;	2186	my ($self) = @_;
1895		2187
1896	# save first because save cedes	2188	# save first because save cedes
1897	$self->save;	2189	$self->save;
1898		2190
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2192
1901	return if $self->players;	2193	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1903	return if $self->{deny_save};	2195	return if $self->{deny_save};
1904		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1905	$self->clear;	2201	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2202	}
1908		2203
1909	sub reset_at {	2204	sub reset_at {
1910	my ($self) = @_;	2205	my ($self) = @_;
1911		2206
…		…
1943	if $uniq;	2238	if $uniq;
1944	}	2239	}
1945		2240
1946	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1947		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2245	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2246
1952	$self->unlink_save;	2247	$self->unlink_save;
1953	$self->destroy;	2248	$self->destroy;
1954	}	2249	}
1955		2250
1956	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1957		2252
1958	sub nuke {	2253	sub nuke {
1959	my ($self) = @_;	2254	my ($self) = @_;
1960		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1961	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1962		2260
1963	$self->unlink_save;	2261	$self->unlink_save;
1964		2262
1965	bless $self, "cf::map";	2263	bless $self, "cf::map";
1966	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2268
1971	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1972		2271
1973	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
1974	}	2273	}
1975		2274
1976	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2018		2317
2019	sub unique_maps() {	2318	sub unique_maps() {
2020	[	2319	[
2021	map {	2320	map {
2022	utf8::decode $_;	2321	utf8::decode $_;
2023	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2024	? normalise $_	2325	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2327	]
2028	}	2328	}
2029		2329
2030	package cf;
2031
2032	=back	2330	=back
2033		2331
2034	=head3 cf::object	2332	=head3 cf::object
2035		2333
2036	=cut	2334	=cut
…		…
2039		2337
2040	=over 4	2338	=over 4
2041		2339
2042	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2043		2341
2044	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2045		2344
2046	=cut	2345	=cut
2047		2346
2048	sub inv_recursive_;	2347	sub inv_recursive_;
2049	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2052		2351
2053	sub inv_recursive {	2352	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2055	}	2354	}
2056		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
2057	package cf;	2384	package cf;
2058		2385
2059	=back	2386	=back
2060		2387
2061	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2070		2397
2071	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
2072		2413
2073	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2415	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2083		2424
2084	} else {	2425	} else {
2085	my $pl = $self->contr;	2426	my $pl = $self->contr;
2086		2427
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2431
2096	} else {	2432	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2435	}
2100	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
2101	}	2447	}
2102		2448
2103	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2104		2450
2105	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2118		2464
2119	=item $player_object->enter_link	2465	=item $player_object->enter_link
2120		2466
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2468
2123	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2125		2473
2126	Will never block.	2474	Will never block.
2127		2475
2128	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2129		2477
…		…
2184	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2187		2535
2188	$map->load;	2536	$map->load;
2189	$map->load_diag;	2537	$map->load_neighbours;
2190		2538
2191	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2192	$self->activate_recursive;	2541	$self->activate_recursive;
2193		2542
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2196	}	2545	}
2197		2546
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199		2548
2200	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2552	the new (success) or old (failed) map position. In either case, $done will
		2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2204		2557
2205	=cut	2558	=cut
2206		2559
2207	our $GOTOGEN;	2560	our $GOTOGEN;
2208		2561
2209	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2211		2564
2212	# do generation counting so two concurrent goto's will be executed in-order	2565	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2567
2215	$self->enter_link;	2568	$self->enter_link;
2216		2569
2217	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2218	my $map = eval {	2592	my $map = eval {
2219	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2220		2594
2221	if ($map) {	2595	if ($map) {
2222	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2224	} else {	2598	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2600	}
2227		2601
2228	$map	2602	$map
2229	};	2603	};
2230		2604
…		…
2235		2609
2236	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2239	}	2613	}
		2614
		2615	$done->() if $done;
2240	})->prio (1);	2616	})->prio (1);
2241	}	2617	}
2242		2618
2243	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2244		2620
…		…
2264	}	2640	}
2265		2641
2266	sub prepare_random_map {	2642	sub prepare_random_map {
2267	my ($exit) = @_;	2643	my ($exit) = @_;
2268		2644
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2647	# that depends on the exit object
2274		2648
2275	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2651	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2282	}	2658	}
2283		2659
2284	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2285		2661
2286	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2289		2665
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2668	undef $fh;
2293	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2294		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2297	}	2677	}
2298	}	2678	}
2299		2679
2300	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2302		2682
2303	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2304		2684
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2685	$self->enter_link;
2317		2686
2318	(async {	2687	(async {
2319	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2320	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2321	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2322		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2323	1;	2711	1
2324	}) {	2712	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2717
2330	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2349		2737
2350	utf8::encode $text;	2738	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2740	}
2353		2741
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2743
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2360		2748
2361	=cut	2749	=cut
2362		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2363	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2365		2811
2366	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
2367		2838
2368	if ($self->can_msg) {	2839	if ($self->can_msg) {
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);	2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
2370	} else {	2860	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380
2381	if ($color >= 0) {	2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
2382	if (0 && $msg =~ /\[/) {	2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2384	} else {	2879	} else {
2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2386	$self->send_packet ("drawinfo $color $msg")	2881	$self->send_packet ("drawinfo $color $msg")
2387	}	2882	}
2388	}	2883	}
2389	}	2884	}
2390	}	2885	}
2391		2886
2392	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2393		2888
2394	Sends an exti event to the client.	2889	Sends an ext event to the client.
2395		2890
2396	=cut	2891	=cut
2397		2892
2398	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2400		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2402	$self->send_packet ("ext " . cf::to_json \%msg);	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2403	}	2920	}
2404		2921
2405	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2406		2923
2407	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		2927
2411	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	2929	become reliable at some point in the future.
2413		2930
2414	=cut	2931	=cut
2415		2932
2416	sub cf::client::query {	2933	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	2942	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		2944
2428	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2430	}	2949	}
2431		2950
2432	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2433	on_reply => sub {	2957	on_reply => sub {
2434	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2435		2959
2436	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2437	# get handled first	2961	# get handled first
…		…
2449	} else {	2973	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	2975	}
2452	}	2976	}
2453	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2454	);	3004	);
2455		3005
2456	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2457		3007
2458	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2499	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2501		3051
2502	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2503		3053
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2505		3059
2506	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2507		3061
2508	=pod	3062	=pod
2509		3063
2510	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2511		3065
2512	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2513	cf::object::player player	3070	cf::object::player
2514	cf::player peaceful	3071	player
2515	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2516		3078
2517	=cut	3079	=cut
2518		3080
2519	for (	3081	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2521	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2523	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2524	) {	3088	) {
2525	no strict 'refs';	3089	no strict 'refs';
…		…
2601	# the server's init and main functions	3165	# the server's init and main functions
2602		3166
2603	sub load_facedata($) {	3167	sub load_facedata($) {
2604	my ($path) = @_;	3168	my ($path) = @_;
2605		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
2606	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2607		3177
2608	my $facedata;	3178	my $facedata;
2609	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2610	or die "$path: $!";	3180	or die "$path: $!";
…		…
2612	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2613		3183
2614	$facedata->{version} == 2	3184	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2617	{	3194	{
2618	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2619		3196
2620	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2625	Coro::cede;	3204
		3205	cf::cede_to_tick;
2626	}	3206	}
2627		3207
2628	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2630	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2631	or next;	3212	or next;
		3213
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3217	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3219	}
2637	Coro::cede;	3220
		3221	cf::cede_to_tick;
2638	}	3222	}
2639	}	3223	}
2640		3224
2641	{	3225	{
2642	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2643		3227
2644	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3230	cf::cede_to_tick;
2647	}	3231	}
2648		3232
2649	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2650	}	3234	}
2651		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2652	1	3271	1
2653	}	3272	}
2654		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2655	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2656	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
2658	}	3324	}
2659		3325
2660	sub reload_facedata {	3326	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
…		…
2673	}	3339	}
2674		3340
2675	sub reload_resources {	3341	sub reload_resources {
2676	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2677		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2678	reload_regions;	3346	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3347	reload_treasures;
2683		3348
2684	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2685	}	3350	}
2686		3351
2687	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2688	reload_resources;	3357	reload_resources;
2689	}	3358	}
2690		3359
2691	sub cfg_load {	3360	sub reload_config {
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2693	or return;	3362	or return;
2694		3363
2695	local $/;	3364	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2697		3366
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2699		3368
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2707	};	3376	};
2708	warn $@ if $@;	3377	warn $@ if $@;
2709	}	3378	}
2710	}	3379	}
2711		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2712	sub main {	3400	sub main {
		3401	atomic;
		3402
2713	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3406	(async {
2717	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2719	};	3410	};
2720		3411
2721	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2722	db_init;	3415	db_init;
2723	load_extensions;	3416	load_extensions;
2724		3417
2725	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2726	Event::loop;	3426	EV::loop;
2727	}	3427	}
2728		3428
2729	#############################################################################	3429	#############################################################################
2730	# initialisation and cleanup	3430	# initialisation and cleanup
2731		3431
2732	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2733	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2742	},
2743	);	3438	};
2744	}	3439	}
2745	}	3440	}
2746		3441
2747	sub write_runtime {	3442	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";
2749
2750	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
2752		3445
2753	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3447
2755	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
2756		3449
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2758	or return;	3451	or return;
2759		3452
2760	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
2773		3466
2774	close $fh	3467	close $fh
2775	or return;	3468	or return;
2776		3469
2777	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3471	and return;
2779		3472
2780	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
2781		3474
2782	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2783	}	3519	}
2784		3520
2785	sub emergency_save() {	3521	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2787		3523
…		…
2793	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2795	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3535	$pl->save;
2799	}	3536	}
2800	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2801		3538
2802	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2808	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2809		3546
2810	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2813	};	3554	};
2814		3555
2815	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2816	}	3557	}
2817		3558
2818	sub post_cleanup {	3559	sub post_cleanup {
2819	my ($make_core) = @_;	3560	my ($make_core) = @_;
2820		3561
2821	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2823	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
2824		3596
2825	sub do_reload_perl() {	3597	sub do_reload_perl() {
2826	# can/must only be called in main	3598	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2828	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2829	return;	3601	return;
2830	}	3602	}
2831		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2832	warn "reloading...";	3607	warn "reloading...";
2833		3608
2834	warn "entering sync_job";	3609	warn "entering sync_job";
2835		3610
2836	cf::sync_job {	3611	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2838	cf::emergency_save;	3613	cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2840		3615
2841	warn "syncing database to disk";	3616	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2843		3618
2844	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2845		3620
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2857	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();
2865
2866	warn "removing commands";
2867	%COMMAND = ();
2868
2869	warn "removing ext commands";
2870	%EXTCMD = ();
2871
2872	warn "unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";
2875
2876	if (my $cb = $pkg->can ("unload")) {
2877	eval {
2878	$cb->($pkg);
2879	1
2880	} or warn "$pkg unloaded, but with errors: $@";
2881	}	3624	}
2882		3625
2883	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2884	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2885	}	3628	%EXT_CORO = ();
2886		3629
2887	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2888	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2891	warn "... unloading $k";	3639	warn "... unloading $pkg";
2892	delete $INC{$k};
2893		3640
2894	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;
2896
2897	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2898	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2899	}	3650	}
2900		3651
2901	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2902	}	3667	}
2903		3668
2904	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		3672
2908	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2911		3676
2912	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3678	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2915		3680
2916	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2917		3682
2918	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2919	require cf;	3684	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2921		3686
2922	warn "loading config and database again";	3687	warn "loading config and database again";
2923	cf::cfg_load;	3688	cf::reload_config;
2924		3689
2925	warn "loading extensions";	3690	warn "loading extensions";
2926	cf::load_extensions;	3691	cf::load_extensions;
2927		3692
2928	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2934		3699
2935	warn "leaving sync_job";	3700	warn "leaving sync_job";
2936		3701
2937	1	3702	1
2938	} or do {	3703	} or do {
2939	warn $@;	3704	warn $@;
2940	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2941	exit 1;
2942	};	3706	};
2943		3707
2944	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
2945	};	3711	};
2946		3712
2947	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
2948		3714
2949	sub reload_perl() {	3715	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
2952		3718
2953	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2954	reentrant => 0,
2955	after => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => sub {
2958	do_reload_perl;	3720	do_reload_perl;
2959	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
2960	},
2961	);	3722	};
2962	}	3723	}
2963		3724
2964	register_command "reload" => sub {	3725	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2966		3727
2967	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	3732	reload_perl;
		3733	};
2970	}	3734	}
2971	};	3735	};
2972		3736
2973	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2974		3738
…		…
2976		3740
2977	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2979		3743
2980	sub wait_for_tick {	3744	sub wait_for_tick {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2983		3746
2984	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	3749	$signal->wait;
2987	}	3750	}
2988		3751
2989	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
2992		3754
2993	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	3757	$signal->wait;
2996	}	3758	}
2997		3759
2998	my $min = 1e6;#d#	3760	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3010	return;	3764	return;
3011	}	3765	}
3012		3766
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3016		3768
3017	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019	my $t = Event::time;	3771	Coro::async_pool {
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3021	or die;	3773	write_runtime_sync
3022		3774	or warn "ERROR: unable to write runtime file: $!";
3023	$map->width (50);
3024	$map->height (50);
3025	$map->alloc;
3026	$map->_load_objects ("/tmp/x.map", 1);
3027	my $t = Event::time - $t;
3028
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	3775	};
		3776	}
3039		3777
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	3779	$sig->send;
3056	}	3780	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	3782	$sig->send;
3059	}	3783	}
3060		3784
3061	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		3787
3072	_post_tick;	3788	if (0) {
3073		3789	if ($NEXT_TICK) {
3074		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3075	},	3794	}
3076	);	3795	}
3077		3796
3078	{	3797	{
3079	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	3799
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3089		3801	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		3803
3105	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		3811
3108	cf::sync_job {	3812	cf::sync_job {
3109	eval {	3813	eval {
3110	BDB::db_env_open	3814	BDB::db_env_open
3111	$DB_ENV,	3815	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	3819	0666;
3116		3820
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	3822	};
3122		3823
3123	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	3825	};
3125	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
3126	}	3837	}
3127		3838
3128	{	3839	{
		3840	# configure IO::AIO
		3841
3129	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	3845	}
3142		3846
3143	my $_log_backtrace;	3847	my $_log_backtrace;
3144		3848
3145	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3149		3853
3150	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3153	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3154	my @bt = fork_call {	3861	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3166	}	3873	}
3167		3874
3168	@funcs	3875	@funcs
3169	};	3876	};
3170		3877
3171	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	3881	--$_log_backtrace;
3174	};	3882	};
3175	} else {	3883	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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